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Tomtit [17]
2 years ago
13

Ill give brainliest!!!! Find the solutions for these equations

Mathematics
1 answer:
saul85 [17]2 years ago
6 0

Answer:

hhsbdbbdnd,d,enhdjd

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Land in downtown Columbia is valued at $10 a square foot. What is the value of a triangular lot with sides of lengths 119, 147,
stiks02 [169]

Answer:

$87,461

Step-by-step explanation:

Given that the dimensions or sides of lengths of the triangle are 119, 147, and 190 ft

where S is the semi perimeter of the triangle, that is, s = (a + b + c)/2.

S = (119 + 147 + 190) / 2 = 456/ 2 = 228

Using Heron's formula which gives the area in terms of the three sides of the triangle

= √s(s – a)(s – b)(s – c)

Therefore we have = √228 (228 - 119)(228 - 147)(228 - 190)

=> √228 (109)(81)(38)

= √228(335502)

=√76494456

= 8746.1109071 * $10

= 87461.109071

≈$87,461

Hence, the value of a triangular lot with sides of lengths 119, 147, and 190 ft is $87,461.

6 0
3 years ago
Dan drank 7/8 of a bottle of
Anika [276]

Answer:

Dan drank  1 3/8 ths of the bottle of water

Step-by-step explanation:

since the question is asking how much water he drank altogether, it wants you to add

so

7/8+4/8=11/8

Dan drank 11/8 ths of the bottle of water (1  3/8)

7 0
3 years ago
Whenever 2 line or intersect at 90 the 2 lines are said to be ?
Sedaia [141]
Two lines that intersect at 90 degrees are considered perpendicular to each other.

7 0
3 years ago
Read 2 more answers
PLEASE LOOK AT PHOTO! WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINIEST!!
inn [45]

Answer:

m < 1 = 18°

Step-by-step explanation:

If <ABD = 72°, and m < 2 is three times the measure of m < 1, then:

Let < ABC = m < 1 =  x

     < CBD = m < 2 = 3x

We can set up the following formula, since the sum of the measures of angles < 1 and < 2 is equal to <ABD (72°):

m < 1 + m < 2 = < ABD

x + 3x = 72°

Add like terms:

4x = 72°

Divide both sides by 4 to solve for x:

\frac{4x}{4} = \frac{72}{4}

x = 18

Since x = 18, and m < 1 = x , then m < 1 = 18°.

And since m < 2 = 3x, then m < 2 = 3(18°) = 54°.

Let's check to see whether we derived the correct answers by plugging in the values of m < 1 and m < 2 into the established formula:

m < 1 + m < 2 = < ABD

18° + 54° = 72°

72° = 72° (True statement).

Please mark my answers as the Brainliest if my explanations were helpful :)

7 0
2 years ago
What is the surface area of a rectangular box that is 12 centimeters long, 10 centimeters wide, and 15 centimeters high?
Harman [31]
SA= 2LW + 2LH + 2WH
Substituting for the values, SA = 900 cm^2
4 0
2 years ago
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